Tag: connections

If you’re using sip to connect to callwithus then you need to make sure that you’re using the generic address sip.callwithus.com as your proxy/registrar. From May 1st the other, more specific addresses, that used to work will stop accepting registrations (west.callwithus.com, east.callwithus.com, uk.callwithus.com) See here for further details – http://www.callwithus.com/configuration

So we’ve got our trunk setup and now we need an extension so we can make a test call via the trunk. For testing I’m going to be using x-lite. A free sip softphone available for Windows and Linux from here. Adding an extension in FreePBX First we need to click on Extensions on the left hand main menu

I’ve started renting out some OpenVZ VPSs for a few people and wanted to make sure that they couldn’t be used to send spam. One of the easiest ways to do this is just to limit the number of outbound smtp connections allowed from the VPS using iptables. I used the following iptables rules on the OpenVZ host node to accomplish this – # Limit number of SMTP connections from Mail Server <br>iptables -A FORWARD -o eth0 -p tcp -s 77.211.239.14 –dport 25 -m limit –limit 3/minute -m state –state NEW -j ACCEPT <br># iptables -A FORWARD -o eth0 -p…